APS

An Oregon-headquartered developer and operator of utility-scale battery energy storage systems said it has acquired a major project in Arizona that will serve customers of Arizona Public Service (APS). GridStor announced the acquisition of the 100-MW/400-MWh White Tank battery storage project from Strata Clean Energy, a solar power and energy storage developer based in Durham, North Carolina.

Arizona’s three major electric power utilities said they will collaborate to explore adding more nuclear power generation in the state, possibly placing small modular reactors (SMRs) or building large reactor projects at the locations of retiring coal-fired power plants. Arizona Public Service (APS), Salt River Project (SRP), and Tucson Electric Power (TEP) on Feb. 5 […]

A major U.S. solar power developer announced it has a power purchase agreement (PPA) with Arizona Public Service (APS) for the energy produced from the Kitt Solar Project. Avantus, the former 8minute Solar Energy, on Dec. 9 said the PPA includes 100 MWac/130 MWdc of solar from the installation in Eloy, in Pinal County. It […]

The U.S. nuclear power industry has an ally with a unique platform to spread the sector’s message of providing reliable, clean electricity. Meet Grace Stanke. She’s not just a student at the University of Wisconsin-Madison working on the final stages of a degree in nuclear engineering. She is also Miss America 2023. “A lot of […]

AES Corp. has announced the start of commercial operations for phase one of the Chevelon Butte wind farm in Arizona, a project sited on one of the state’s oldest working cattle ranches. AES on June 1 said the project’s first phase is bringing 238 MW of power generation online, with another 216 MW expected to […]

An energy imbalance market (EIM) is a voluntary market that provides a sub-hourly economic dispatch of participating resources for balancing supply and demand every five minutes. One such market is the Western

Four U.S. nuclear generators—Energy Harbor, Xcel Energy, Exelon, and Arizona Public Service (APS)—are making headway on projects to demonstrate hydrogen production at nuclear plants, but scaling those efforts up to net new end-users and sources of revenue is still ridden with hurdles, company officials said in a panel discussion at the American Nuclear Society’s (ANS’s) […]

Independent power producer Neoen Australia said an expansion of the world’s largest lithium-ion battery system has completed its network connection, bringing the Tesla-supported Hornsdale Power Reserve, adjacent to a wind farm in South Australia, to a rated size of 150 MW/193.5 MWh. It’s the latest in a series of projects being developed worldwide to add […]

BREA, CA ­­ – January 31, 2020 – Curtiss-Wright Corporation announced today it has signed an exclusive agreement with Arizona Public Service Company (APS) to commercialize APS’s equipment anomaly detection (EAD) technology. APS’s EAD technology uses machine learning to detect anomalies in plant equipment and systems, allowing operators to improve performance and prevent failures. “This […]

Framatome successfully completed the first of 12 low-pressure feedwater heater replacements at Arizona Public Service’s Palo Verde Generating Station Unit 1 on an expedited schedule during the spring 2019 outage. The remaining replacements will take place over a more than seven-year campaign. “It is rewarding to bring our latest technologies and expertise to support Palo […]

FirstEnergy Solutions (FES), Xcel Energy, and Arizona Public Service (APS) will demonstrate hydrogen production at three nuclear plants they own starting in 2020 and 2021. The projects, selected as part of the Department of Energy’s (DOE’s) Office of Nuclear Energy’s Advanced Reactor Development Project funding pathway, aim to improve long-term competitiveness of the nuclear sector […]

APS scales from pilot to full deployment at three power plants, wirelessly monitoring all rotating assets. SAN JOSE, Calif., August 27, 2019 — Arizona Public Service (APS) announced that they have significantly scaled their investment in wireless PdM (predictive maintenance) with Petasense, a Silicon Valley based venture-backed leader in Industrial IoT. Petasense provides the ARO […]

The numbers tell the story of how the addition of selective catalytic reduction (SCR) technology helped an iconic New Mexico coal-fired plant reduce its emissions, keeping the plant in operation and continuing

French labor unions on Jan. 22 said U.S.-based General Electric (GE) will cut 468 jobs at its units in France, including some staff at Alstom Power Systems (APS). GE confirmed to Agence France Press (AFP), a French news service, that talks with its unions on staff reductions are underway. The unions said 229 jobs would […]

50-MW solar plus storage facility will serve APS customers during hot summer months PHOENIX–(BUSINESS WIRE)–Two homegrown leaders in renewable energy, Arizona Public Service and First Solar (Nasdaq: FSLR), are bringing a first-of-its-kind 50-megawatt (MW) solar-fueled battery to the desert to provide clean power to Arizonans on hot summer days. This project will make Arizona home […]

Through a first-of-its-kind program, inverters improve overall reliability for customers This week, hundreds of APS Solar Partner Program customers will help their utility make history. Advanced technology installed along with participants’ solar panels is beginning to collect data that will help APS better understand and manage the energy flowing into neighborhoods across the state. APS […]

The 4-GW three-unit Palo Verde Nuclear Generating Station has broken its own generation record, producing the highest electricity output of any nuclear plant in the world. APS, the Arizona utility that operates the plant, said Palo Verde generated 32.5 million MWh in 2015, making it still the only U.S. power plant to ever produce more […]

Several Arizona and New Mexico–based utilities will be required to install pollution controls at the coal-fired Four Corners Power Plant to curb sulfur dioxide (SO2) and nitrogen oxide (NOx) under a settlement reached with the Environmental Protection Agency and the Justice Department. The settlement involves the Arizona Public Service Co. (APS), the operator and primary […]

An interdisciplinary study led by the Massachusetts Institute of Technology (MIT) Energy Initiative concludes, among other things, that “state renewable portfolio standard (RPS) requirements should be replaced by a uniform nationwide program.” The report—released on May 5—focuses on the future of solar energy, suggesting that a massive expansion in solar capacity to “multi-terawatt scale” is […]

The Palo Verde Nuclear Generating Station led the U.S. in electrical generation in 2014, as it has done for 23 consecutive years, with a total output of 32.3 million MWh. That bested its previous record set in 2012. The Palo Verde plant is located about 45 miles west of Phoenix, Ariz. (Figure 5). It has […]

It’s no surprise that the Palo Verde Nuclear Generating Station led the nation in electrical generation in 2014—it has done that for 23 consecutive years—but with a total output of 32.3 million MWh, it even bested its own previous record set in 2012. The Palo Verde plant is located about 45 miles west of Phoenix, […]

Arizona Public Service Co. (APS), the Federal Energy Regulatory Commission (FERC), and the North American Electric Reliability Corp. (NERC) reached a settlement on July 7 related to the Sept. 8, 2011 blackout that left more than 5 million people in the Southwest without power. As a result of the agreement, APS will pay a $3.25 […]